Advantages of a diaphragm or cap:

• you only need to use a diaphragm or cap when you want to have sex
• you can put it in at a convenient time before having sex (use extra spermicide if you have it in for more than 3 hours)
• there are usually no serious associated health risks or side effects
• you’re in control of your contraception

Disadvantages of a diaphragm or cap:

• it’s not as effective as other types of contraception, and it depends on you remembering to use it and using it correctly
• it doesn’t provide reliable protection against STIs
• it can take time to learn how to use it
• putting it in can interrupt sex
• latex and spermicide can cause irritation in some women and their sexual partners